19117020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24509}}^1$

素因数の和:24534

約数の個数: 48

約数和(自身を含む): 57647520

約数和(自身を除く): 38530500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24509, 49018, 73527, 98036, 122545, 147054, 245090, 294108, 318617, 367635, 490180, 637234, 735270, 955851, 1274468, 1470540, 1593085, 1911702, 3186170, 3823404, 4779255, 6372340, 9558510, 19117020]

約数ペア:

[(1, 19117020), (2, 9558510), (3, 6372340), (4, 4779255), (5, 3823404), (6, 3186170), (10, 1911702), (12, 1593085), (13, 1470540), (15, 1274468), (20, 955851), (26, 735270), (30, 637234), (39, 490180), (52, 367635), (60, 318617), (65, 294108), (78, 245090), (130, 147054), (156, 122545), (195, 98036), (260, 73527), (390, 49018), (780, 24509)]